In the days before digital broadcast television, local channels from two to 13 were broadcast in VHF (for “Very High Frequency”), and channels from 14 to 83 went out in UHF (for “Ultra High Frequency”). Today digital television is broadcast in the UHF band, but VHF is still used for FM radio and marine-band radio, and amateur radio enthusiasts still broadcast on both bands. Because of the different characteristics of the two frequency bands, the optimal designs for UHF and VHF antennas are significantly different. Writer Bio
